David is a 45-year old man who came into your Fitness Club for a body composition evaluation. David weighed 187lbs and was tested in a whole bodyplethysmograph. His body volume was determined to be 81.5L. -What is David's estimated body density? 187 lbs- -What is David's estimated body fat percentage? -Provide David with an interpretation of his estimated body fat percentage using a percentile score. -If David desired to be at the 75th percentile for men his age, how many pounds does he have to lose? TABLE 4.4 Fitness Categories for Body Composition (% Body Fat) for Men by Age % 99 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 1 n= Very lean Excellent Good Fair Poor Very poor 20-29 30-39 4.2 7.3 10.3 12.5 13.8 14.9 15.9 16.8 17.7 6.4 7.9 9.1 10.5 11.5 12.6 13.8 14.8 15.8 16.7 17.5 18.6 19.8 20.7 22.1 23.3 25.1 26.6 29.3 33.7 1,938 18.4 19.2 20.0 20.7 21.6 22.4 23.2 24.1 25.1 26.4 27.8 30.2 34.4 10,457 Age (year) 40-49 9.5 13.0 15.0 16.4 17.5 18.5 19.3 20.1 20.8 21.4 22.1 22.8 23.5 24.2 24.9 25.7 26.6 27.7 29.1 50-59 11.1 14.9 17.0 18.3 19.4 20.2 21.0 21.7 Total n 42,071 "Very lean, no less than 3% body fat is recommended for men 22.3 23.0 23.6 24.2 24.9 25.6 26.3 27.1 28.1 29.2 30.6 31.2 32.7 35.2 36.4 9,976 16.032 60-69 12.0 16.1 18.1 19.2 20.2 21.0 21.7 22.4 23.0 23.6 24.2 24.9 25.6 26.4 27.0 27.9 28.8 29.8 31.2 33.5 37.2 3,097 70-79 13.6 15.5 17.5 19.0 20.2 21.1 21.6 22.3 22.9 23.6 24.1 24.5 25.2 25.7 26.3 27.1 28.0 29.3 30.6 32.9 37.3 571 Adapted with permission from Physical Fitness Assessments and Norms for Adults and Law Enforcement The Cooper Institute, Dallas, Texas. 2013. For more information: www.cooperinstitute.org